Written by Paul Desmond in the key of E-flat minor and performed by the Dave Brubeck Quartet using a funky quintuple (5/4) time, “Take Five” is and was the biggest selling jazz single of all time. But it is also slang for exercising one’s Fifth Amendment privilege against self-incrimination. Because many civil lawyers ask when and how to invoke the privilege, we thought we would take a stab at answering some of the not-so-obvious questions that often arise.